Why did Obama and Holder have the Justice Department read Boston bombing suspect his Miranda rights after only 16 hours of interrogation?

WHY DID ERIC HOLDER WITH THE FULL BLESSING OF PRESIDENT OBAMA ORDER DSHOKHAR TSARNAEV TO BE READ HIS MIRANDA RIGHTS IN THE MIDDLE OF AN FBI INTERROGATION WITHOUT NOTICE TO THAT DEPARTMENT. 

THIS WAS DONE AFTER ONLY 16 HOURS OF INTERROGATION IN WHAT WAS EXPECTED TO BE A 48 HOUR PERIOD.  UP UNTIL THE TIME THE SUSPECT WAS TALKING AND REVEALING CRITICAL INFORMATION, BUT AFTER BEING READ HIS MIRANDA RIGHTS DZHOKHAR WENT SILENT AND REFUSED TO ANSWER MORE QUESTION.  WHAT IS THE ADMINISTRATION TRYING TO HIDE FROM THE AMERICAN PEOPLE?  YOU CAN READ MORE ON THIS SHOCKING DEVELOPMENT HERE!

STOP OBAMA! Stop Obama's Second Term Agenda WIDGET. FOLLOW LINK FOR DETAILS.